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block-backend: expose bs->bl.max_transfer_length 

Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Peter Lieven 2015-02-02 14:52:20 +01:00 committed by Kevin Wolf
parent d901f3c457
commit 454057b7d9
2 changed files with 6 additions and 0 deletions
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5
block/block-backend.c
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@ -580,6 +580,11 @@ int blk_get_flags(BlockBackend *blk)
return bdrv_get_flags(blk->bs);
}
int blk_get_max_transfer_length(BlockBackend *blk)
{
return blk->bs->bl.max_transfer_length;
}
void blk_set_guest_block_size(BlockBackend *blk, int align)
{
bdrv_set_guest_block_size(blk->bs, align);

1
include/sysemu/block-backend.h
View File

@ -127,6 +127,7 @@ int blk_is_inserted(BlockBackend *blk);
void blk_lock_medium(BlockBackend *blk, bool locked);
void blk_eject(BlockBackend *blk, bool eject_flag);
int blk_get_flags(BlockBackend *blk);
int blk_get_max_transfer_length(BlockBackend *blk);
void blk_set_guest_block_size(BlockBackend *blk, int align);
void *blk_blockalign(BlockBackend *blk, size_t size);
bool blk_op_is_blocked(BlockBackend *blk, BlockOpType op, Error **errp);